Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Partly Cloudy

77°F

25°C

Humidity	90%
Wind Speed	SW 5 mph
Barometer	29.98 in (1014.3 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	9 Aug 5:56 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Wimberley TX

Today
High: 98 °F
Sunny
Tonight
Low: 72 °F
Mostly Clear
Sunday
High: 96 °F
Sunny
Sunday Night
Low: 72 °F
Mostly Clear
Monday
High: 95 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 73 °F
Slight Chance
T-storms then
Mostly Clear
Tuesday
High: 95 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 73 °F
Partly Cloudy
Wednesday
High: 95 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 98. Heat index values as high as 102. Calm wind becoming southeast around 5 mph in the morning.

Tonight

Mostly clear, with a low around 72. Southeast wind 5 to 10 mph becoming light south after midnight.

Sunday

Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 72. Southeast wind 5 to 10 mph becoming light south after midnight.

Monday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 73. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

Tuesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 73. East southeast wind around 5 mph becoming calm in the evening.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the morning.

Wednesday Night

Mostly clear, with a low around 73.

Thursday

Sunny, with a high near 97.

Thursday Night

Partly cloudy, with a low around 74.

Friday

Mostly sunny, with a high near 97.